include/configs/ti_am335x_common.h

   1 /*
   2  * ti_am335x_common.h
   3  *
   4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  *
   8  * For more details, please see the technical documents listed at
   9  * http://www.ti.com/product/am3359#technicaldocuments
  10  */
  11
  12 #ifndef __CONFIG_TI_AM335X_COMMON_H__
  13 #define __CONFIG_TI_AM335X_COMMON_H__
  14
  15 #define CONFIG_AM33XX
  16 #define CONFIG_ARCH_CPU_INIT
  17 #define CONFIG_SYS_CACHELINE_SIZE       64
  18 #define CONFIG_MAX_RAM_BANK_SIZE        (1024 << 20)    /* 1GB */
  19 #define CONFIG_SYS_TIMERBASE            0x48040000      /* Use Timer2 */
  20 #define CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC
  21
  22 #ifndef CONFIG_SPL_BUILD
  23 # define CONFIG_OMAP_SERIAL
  24 # define CONFIG_SYS_MALLOC_F_LEN        (1 << 10)
  25 #endif
  26
  27 #include <asm/arch/omap.h>
  28
  29 /* NS16550 Configuration */
  30 #define CONFIG_SYS_NS16550
  31 #ifdef CONFIG_SPL_BUILD
  32 #define CONFIG_SYS_NS16550_SERIAL
  33 #define CONFIG_SYS_NS16550_REG_SIZE     (-4)
  34 #endif
  35 #define CONFIG_SYS_NS16550_CLK          48000000
  36
  37 /* Network defines. */
  38 #define CONFIG_CMD_NET                  /* 'bootp' and 'tftp' */
  39 #define CONFIG_CMD_DHCP
  40 #define CONFIG_CMD_MII
  41 #define CONFIG_BOOTP_DNS                /* Configurable parts of CMD_DHCP */
  42 #define CONFIG_BOOTP_DNS2
  43 #define CONFIG_BOOTP_SEND_HOSTNAME
  44 #define CONFIG_BOOTP_GATEWAY
  45 #define CONFIG_BOOTP_SUBNETMASK
  46 #define CONFIG_NET_RETRY_COUNT         10
  47 #define CONFIG_CMD_PING
  48 #define CONFIG_DRIVER_TI_CPSW           /* Driver for IP block */
  49 #define CONFIG_MII                      /* Required in net/eth.c */
  50
  51 /*
  52  * RTC related defines. To use bootcount you must set bootlimit in the
  53  * environment to a non-zero value and enable CONFIG_BOOTCOUNT_LIMIT
  54  * in the board config.
  55  */
  56 #define CONFIG_SYS_BOOTCOUNT_ADDR       0x44E3E000
  57
  58 /* Enable the HW watchdog, since we can use this with bootcount */
  59 #define CONFIG_HW_WATCHDOG
  60 #define CONFIG_OMAP_WATCHDOG
  61
  62 /*
  63  * SPL related defines.  The Public RAM memory map the ROM defines the
  64  * area between 0x402F0400 and 0x4030B800 as a download area and
  65  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also
  66  * supports X-MODEM loading via UART, and we leverage this and then use
  67  * Y-MODEM to load u-boot.img, when booted over UART.
  68  */
  69 #define CONFIG_SPL_TEXT_BASE            0x402F0400
  70 #define CONFIG_SPL_MAX_SIZE             (0x4030B800 - CONFIG_SPL_TEXT_BASE)
  71 #define CONFIG_SYS_SPL_ARGS_ADDR        (CONFIG_SYS_SDRAM_BASE + \
  72                                          (128 << 20))
  73
  74 /* Enable the watchdog inside of SPL */
  75 #define CONFIG_SPL_WATCHDOG_SUPPORT
  76
  77 /*
  78  * Since SPL did pll and ddr initialization for us,
  79  * we don't need to do it twice.
  80  */
  81 #if !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NOR_BOOT)
  82 #define CONFIG_SKIP_LOWLEVEL_INIT
  83 #endif
  84
  85 /*
  86  * When building U-Boot such that there is no previous loader
  87  * we need to call board_early_init_f.  This is taken care of in
  88  * s_init when we have SPL used.
  89  */
  90 #if !defined(CONFIG_SKIP_LOWLEVEL_INIT) && !defined(CONFIG_SPL)
  91 #define CONFIG_BOARD_EARLY_INIT_F
  92 #endif
  93
  94 #ifdef CONFIG_NAND
  95 #define CONFIG_SPL_NAND_AM33XX_BCH      /* ELM support */
  96 #endif
  97
  98 /* Now bring in the rest of the common code. */
  99 #include <configs/ti_armv7_common.h>
 100
 101 #endif  /* __CONFIG_TI_AM335X_COMMON_H__ */